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Livermore
Livermore
ZHEN

D. E. Shaw & Co., Inc.

SEC CIK
0001009207
Latest filing
Aug 14, 2026

MPWR holding history

Monolithic Power Systems, Inc. in every 13F filed by D. E. Shaw & Co., Inc., including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

MPWR overviewAll 13F holders of MPWRFull Q2 2026 holdings

Shares (Q2 2026)
3,035
Value
$4.20M
% of portfolio
<0.1%
Quarters held
21
Since Q1 2021
Holdings of MPWR by D. E. Shaw & Co., Inc., by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 20263,035$4.20M<0.1%+1,818+149.4%AddedHolders
Q1 20261,217$1.33M<0.1%−131−9.7%ReducedHolders
Q4 20251,348$1.22M<0.1%−106−7.3%ReducedHolders
Q3 20251,454$1.34M<0.1%−3,973−73.2%ReducedHolders
Q2 20255,427$3.97M<0.1%−1,850−25.4%ReducedHolders
Q1 20257,277$4.22M<0.1%−5,029−40.9%ReducedHolders
Q4 202412,306$7.28M<0.1%−17,987−59.4%ReducedHolders
Q3 202430,293$28.0M<0.1%−10,394−25.5%ReducedHolders
Q2 202440,687$33.4M<0.1%−5,835−12.5%ReducedHolders
Q1 202446,522$31.5M<0.1%+19,108+69.7%AddedHolders
Q4 202327,414$17.3M<0.1%+5,319+24.1%AddedHolders
Q3 202322,095$10.2M<0.1%−17,676−44.4%ReducedHolders
Q2 202339,771$21.5M<0.1%−81,762−67.3%ReducedHolders
Q1 2023121,533$60.8M0.1%−47,877−28.3%ReducedHolders
Q4 2022169,410$59.9M0.1%+117,253+224.8%AddedHolders
Q3 202252,157$19.0M<0.1%+52,157NewHolders
Q2 20220$00.0%−808−100.0%Sold outHolders
Q1 2022808$392.0K<0.1%−12,446−93.9%ReducedHolders
Q4 202113,254$6.54M<0.1%+11,332+589.6%AddedHolders
Q3 20211,922$932.0K<0.1%−35,357−94.8%ReducedHolders
Q2 202137,279$13.9M<0.1%−12,834−25.6%ReducedHolders
Q1 202150,113$17.7M<0.1%––Holders

Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.